Attachment 44845 Details for Bug 30679 – EXA: Avoid GPU memory readback for PolyGlyphBlt fallbacks.

[patch] EXA: Avoid GPU memory readback for PolyGlyphBlt fallbacks.

0001-EXA-Avoid-GPU-memory-readback-for-PolyGlyphBlt-fallb.patch (text/plain), 1.60 KB, created by Michel Dänzer on 2011-03-25 04:09:37 UTC

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Creator: Michel Dänzer

Created: 2011-03-25 04:09:37 UTC

Size: 1.60 KB

patch

obsolete

>From a89218d684e112e10ff337276b448acb0267c53b Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <daenzer@vmware.com>
>Date: Fri, 25 Mar 2011 11:43:38 +0100
>Subject: [PATCH] EXA: Avoid GPU memory readback for PolyGlyphBlt fallbacks.
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>See https://bugs.freedesktop.org/show_bug.cgi?id=30679 .
>
>Signed-off-by: Michel DÃ¤nzer <daenzer@vmware.com>
>---
> exa/exa_unaccel.c |   11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
>
>diff --git a/exa/exa_unaccel.c b/exa/exa_unaccel.c
>index 7e4499e..903e1fc 100644
>--- a/exa/exa_unaccel.c
>+++ b/exa/exa_unaccel.c
>@@ -345,10 +345,19 @@ ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
> 		     int x, int y, unsigned int nglyph,
> 		     CharInfoPtr *ppci, pointer pglyphBase)
> {
>+    PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
>+    ExaPixmapPriv(pPixmap);
>+
>     EXA_PRE_FALLBACK_GC(pGC);
>     EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
> 		  exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
>-    exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
>+    if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage ||
>+	exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
>+			      pGC->alu, pGC->clientClipType))
>+	exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
>+    else
>+	pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST,
>+				    DamagePendingRegion(pExaPixmap->pDamage));
>     exaPrepareAccessGC (pGC);
>     pGC->ops->PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
>     exaFinishAccessGC (pGC);
>-- 
>1.7.4.1
>

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Attachments on bug 30679: 39290 | 39332 | 39333 | 44845

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